/* call-seq:
 *   window.getWidth()  -> fixnum
 *
 * Get the width of the rendering region of the window.
 *
 * The width doesn't include the titlebar and borders of the window.
 */
static VALUE Window_GetWidth( VALUE self )
{
        sf::Window *object = NULL;
        Data_Get_Struct( self, sf::Window, object );
        return INT2FIX( object->GetWidth() );
}